                    &         (1)        &         (2)        &         (3)        &         (4)        &         (5)        &         (6)        \\
                    &        b/se        &        b/se        &        b/se        &        b/se        &        b/se        &        b/se        \\
Immigration Policy (t-1)&       0.920$^{***}$&       0.917$^{***}$&       0.890$^{***}$&       0.765$^{***}$&       0.882$^{***}$&       0.904$^{***}$\\
                    &     (0.006)        &     (0.007)        &     (0.087)        &     (0.066)        &     (0.042)        &     (0.007)        \\
Ln(Oil Income per Capita) (t-1)&      -0.006$^{**}$ &      -0.006$^{**}$ &       0.015        &       0.021        &      -0.020        &      -0.011$^{***}$\\
                    &     (0.002)        &     (0.002)        &     (0.031)        &     (0.045)        &     (0.021)        &     (0.003)        \\
Ln(GDP per Capita) (t-1)&                    &      -0.029$^{+}$  &      -0.055        &      -0.086        &      -0.039        &      -0.035        \\
                    &                    &     (0.015)        &     (0.092)        &     (0.091)        &     (0.061)        &     (0.027)        \\
GDP Growth (t-1)    &                    &       0.119$^{**}$ &       0.124        &       0.286$^{*}$  &       0.182$^{+}$  &       0.064        \\
                    &                    &     (0.042)        &     (0.118)        &     (0.131)        &     (0.108)        &     (0.072)        \\
Ln(Population) (t-1)&                    &      -0.073$^{*}$  &      -0.093        &       0.256        &      -0.098        &       0.103        \\
                    &                    &     (0.031)        &     (0.113)        &     (0.229)        &     (0.125)        &     (0.112)        \\
Polity Score (t-1)  &                    &       0.000        &      -0.004        &       0.010$^{+}$  &       0.007$^{+}$  &      -0.008$^{*}$  \\
                    &                    &     (0.002)        &     (0.004)        &     (0.006)        &     (0.004)        &     (0.003)        \\
Observations        &        1933        &        1883        &         352        &         268        &         620        &        1263        \\
Countries           &          24        &          24        &           9        &          10        &          10        &          24        \\
R$^2$               &       0.989        &       0.989        &       0.998        &       0.968        &       0.991        &       0.989        \\
